In certain species the life cycle is completed in one year on 

 only one host, a spruce, a wingless generation alternates with a 

 winged, and only females are known. Exceptionally a species is 

 found only on larch. 



The A. gives the life history of Chennes viridis Ratz, Ch. Abietis 

 Kalt, Ch. strobilobius Choi., Ch. lapponicus Choi, and others, illus- 

 trating some of them by diagrams and by illustrations of the in- 

 sects and of their eggs. He next treats of the damage done to the 

 various trees and of the treatment recommended and gives the 

 formulae of successful sprays. 



JOHN MACRAE. An Attack by the Weevil Strophosomus Coryli 

 in a Fir Plantation. Trans. R. Scottish Arbor. Soc., Vol. XXIII, 

 P. II, pp. 185-186. Edinburgh, July 1910. 



In Scotland in a mixed plantation of Douglas fir, Japanese larch 

 and Scotch fir, the foliage of the alternate rows of Scotch fir was 

 much damaged by a weevil, Strophosomus Coryli. 



As a remedy handpicking from the plant was suggested. 



H. H. BRINDELY. Notes on the Procession of Arethocampa 



plnivora." - Cambridge Philosophical Society, June 6, 1910; 

 Nature, Vol. 84, July j 4 th, 1910, p. 62. 



The caterpillar of this Eupterotid moth infests the pines of the 

 Landes. The caterpillars march in single file from the nest-tree 

 over the sand on fine days in late March and early April, ending 

 the last day's procession by burrowing for pupation. 



G. C. CHAMPION. A Buprestid and other Coleoptera on Pines 

 injured by Heath fires in Northwestern Surrey. - (Erf. Mo. 

 Mag., 2. ser., 20, 1909, n. 239, pp. 247-251); E. S. ., vol. XXII, 

 n. 4- Washington, March 1910. 



Melanophila acuminata, Criocephalus ferns, and other Coleoptera 

 found on or beneath pines (Pinus sylvestris) injured by heath and 

 brush fires are noted. 



Memorandum on the large Larch Sawfly Nematus Erich- 

 son/i Hart" published by the " Board of Agriculture and 

 Fisheries." - The Journ. of the Board of Agric., May 1910, 

 Vol. XVII, n. 2, p. 150. London. 



The following Memorandum was issued in April in order to 

 distribute information as to the Large Larch Sawfly: 



